Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

There was a kingdom in which the king had no heir to take over his thrown. Even the queen was dead and he himself was on the verge of dying. He thought about it and then summoned all of the teenagers. He gave one seed each to all of them and asked them to grow the plant. He announced that the one with the most beautiful plant will become the king/queen of the empire after the death of the king.

After a month, all of them were called. The king looked at all of the plants but announced the girl with an empty pot as the queen of the empire. Why?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Keyboard words are not in alphabetical order, Why?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Can you place three balls such that the equation shown in the picture holds true?